Affiliate sale: PLAB (NASDAQ: PLAB) proposes 5,000-share sale on 04/01/2026

Rhea-AI Filing Summary

PLAB affiliate reported a proposed sale of 5,000 shares of Common Stock to be effected on 04/01/2026 pursuant to an option granted 03/07/2017. The filing also lists multiple recent dispositions by Frank K. Lee (dates and per-trade proceeds shown) during January–March 2026.

Key Figures

Proposed sale: 5,000 shares Shares outstanding: 58,966,394 Sale example: 10,000 shares +2 more

5 metrics

Proposed sale 5,000 shares Proposed sale date <date>04/01/2026</date> tied to option granted 03/07/2017

Shares outstanding 58,966,394 Figure shown with date <date>04/01/2026</date> and NASDAQ listing

Sale example 10,000 shares Disposition by Frank K. Lee on <date>01/05/2026</date>, proceeds <money>$339,000.00</money>

Sale example 10,000 shares Disposition by Frank K. Lee on <date>03/23/2026</date>, proceeds <money>$390,000.00</money>

Sale example 5,000 shares Disposition by Frank K. Lee on <date>03/26/2026</date>, proceeds <money>$204,000.00</money>

Key Terms

Form 144, Proposed sale, Brokerage (Fidelity Brokerage Services LLC)

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Proposed sale financial

"Securities To Be Sold | Common | 04/01/2026 | Option Granted - 03/07/2017"

Brokerage (Fidelity Brokerage Services LLC) market

"Common | Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	5000	210000.00	58966394	04/01/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/01/2026	Option Granted - 03/07/2017	Issuer			5000	04/01/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/02/2026	8750	293432.57
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/05/2026	10000	339000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/06/2026	10000	354058.32
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/07/2026	10000	348285.03
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/12/2026	10000	330500.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/13/2026	10000	344156.58
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/15/2026	10000	341360.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	01/16/2026	10000	345090.55
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/19/2026	10000	358024.17
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/23/2026	10000	390000.00
Frank K. Lee 15 Secor Road Brookfield CT 06804	Common	03/26/2026	5000	204000.00

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the PLAB Form 144 disclose about proposed share sales?

The Form 144 discloses a proposed sale of 5,000 shares on 04/01/2026. The filing ties the sale to an option granted on 03/07/2017 and lists the planned sale method as cash.

Who has recent dispositions reported in the PLAB filing?

The filing shows multiple recent dispositions by Frank K. Lee across January–March 2026. Each trade lists the date, shares sold (e.g., 10,000) and gross proceeds (e.g., $339,000.00).

Does the PLAB filing show shares outstanding information?

The excerpt includes a figure of 58,966,394 associated with 04/01/2026. This number appears alongside exchange information (NASDAQ) in the filing content.

Which broker or brokerage is named in the PLAB filing?

The filing lists Fidelity Brokerage Services LLC with an address and an entry tied to 5,000 shares. The brokerage appears in the securities-to-be-sold section of the notice.

What sale methods are indicated in the PLAB Form 144?

The proposed 5,000-share sale is listed with the method Cash. The filing shows past executed trades with explicit proceeds but does not elaborate additional distribution methods.